Author: Theodore BowenPublisher:
ISBN:
Category :
Languages : en
Pages : 13
Book Description
A Program to Study Antiprotons in the Cosmic Rays--Arizona Collaboration
Author: Theodore BowenA Program to Study Antiprotons in the Cosmic Rays
Author: National Aeronautics and Space Administration (NASA)Publisher: Createspace Independent Publishing Platform
ISBN: 9781722016456
Category :
Languages : en
Pages : 24
Book Description
The Cherenkov detector designed and built for the LEAP (Low Energy AntiProton) experiment utilized a novel design to achieve appreciable sensitive area (02. sq m) with a refractive index of 1.25 in a magnetic fringe field region (500-1000 Gauss). The weight was held to only 64 kg by using 16 unshielded Hamamatsu R2490-01 photomultiplier tubes, each aligned with its local magnetic field. A filling and reservoir system for the highly volatile FC-72 liquid Cherenkov radiator also presented many design challenges. Relativistic particles yielded about 72 photoelectrons, total. Bowen, Theodore Unspecified Center NAG5-879...
Cosmic Rays at Earth
Author: P.K.F. GriederPublisher: Elsevier
ISBN: 0080530052
Category : Science
Languages : en
Pages : 1117
Book Description
In 1912 Victor Franz Hess made the revolutionary discovery that ionizing radiation is incident upon the Earth from outer space. He showed with ground-based and balloon-borne detectors that the intensity of the radiation did not change significantly between day and night. Consequently, the sun could not be regarded as the sources of this radiation and the question of its origin remained unanswered. Today, almost one hundred years later the question of the origin of the cosmic radiation still remains a mystery.Hess' discovery has given an enormous impetus to large areas of science, in particular to physics, and has played a major role in the formation of our current understanding of universal evolution. For example, the development of new fields of research such as elementary particle physics, modern astrophysics and cosmology are direct consequences of this discovery. Over the years the field of cosmic ray research has evolved in various directions: Firstly, the field of particle physics that was initiated by the discovery of many so-called elementary particles in the cosmic radiation. There is a strong trend from the accelerator physics community to reenter the field of cosmic ray physics, now under the name of astroparticle physics. Secondly, an important branch of cosmic ray physics that has rapidly evolved in conjunction with space exploration concerns the low energy portion of the cosmic ray spectrum. Thirdly, the branch of research that is concerned with the origin, acceleration and propagation of the cosmic radiation represents a great challenge for astrophysics, astronomy and cosmology. Presently very popular fields of research have rapidly evolved, such as high-energy gamma ray and neutrino astronomy. In addition, high-energy neutrino astronomy may soon initiate as a likely spin-off neutrino tomography of the Earth and thus open a unique new branch of geophysical research of the interior of the Earth. Finally, of considerable interest are the biological and medical aspects of the cosmic radiation because of it ionizing character and the inevitable irradiation to which we are exposed. This book is a reference manual for researchers and students of cosmic ray physics and associated fields and phenomena. It is not intended to be a tutorial. However, the book contains an adequate amount of background materials that its content should be useful to a broad community of scientists and professionals. The present book contains chiefly a data collection in compact form that covers the cosmic radiation in the vicinity of the Earth, in the Earth's atmosphere, at sea level and underground. Included are predominantly experimental but also theoretical data. In addition the book contains related data, definitions and important relations. The aim of this book is to offer the reader in a single volume a readily available comprehensive set of data that will save him the need of frequent time consuming literature searches.
Space Physics Strategy--implementation Study
Author: Space Physics Strategy--implementation Study: Program plan : report of workshop 2, June 18-21, 1990, Bethesda, Maryland
Author: Scientific and Technical Aerospace Reports
Author: Generation and Diffusion of Cosmic Rays and Antiprotons in Space
Author: Stephen RosenPublisher:
ISBN:
Category : Cosmic rays
Languages : en
Pages : 234
Book Description
a study of antiprotons in cosmic rays
Author: mona abdel aziz" "husseinPublisher:
ISBN:
Category :
Languages : ar
Pages : 124
Book Description
Nuclear Science Abstracts
Author: Matter, Anti-matter And Dark Matter, Proceedings Of The Second International Workshop
Author: Roberto BattistonPublisher: World Scientific
ISBN: 9814487775
Category : Science
Languages : en
Pages : 269
Book Description
This book presents the progress in cosmic ray physics following the recent results obtained by balloon, satellite and underground experiments. The following topics are reviewed: Composition and propagation of cosmic rays, trapping of charged particles in the earth's magnetic field, atmospheric neutrinos, and high energy photon measurements in space.